vulnerability
WordPress Plugin: flat-preloader: CVE-2021-24789: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Sep 28, 2021 | May 15, 2025 | Apr 30, 2026 |
Severity
3
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Sep 28, 2021
Added
May 15, 2025
Modified
Apr 30, 2026
Description
The Flat Preloader WordPress plugin before 1.5.5 does not escape some of its settings when outputting them in attribute in the frontend, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.
Solution
flat-preloader-plugin-cve-2021-24789
References
Rapid7 Labs
2026 Global Threat Landscape Report
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